#150B27
Closest named color: Rich Black (#0D1B2A). oklch(18.2% 0.055 297), rgb(21, 11, 39).
Aa
White text reads best on this color (18.93:1).
About this color
#150B27 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.055 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.054 away. White text reads best on it, at 18.93:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.10:1 |
| White text | 18.93:1 |
Values
| HEX | #150B27 |
| RGB | rgb(21, 11, 39) |
| HSL | hsl(261, 56%, 10%) |
| OKLCH | oklch(18.2% 0.055 297) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #150B27 | 18.93:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #150B27 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #150B27 text on white | 18.93:1 | AAA | Lc 105.3 | Preferred for body text |
| #150B27 text on black | 1.10:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C5B8E7
oklch(80.9% 0.067 297.6)
-
Step 400
400
#A792DA
oklch(70.6% 0.105 297)
-
Step 500
500
#9376D0
oklch(63.1% 0.134 297.3)
-
Step 600
600
#7E5DBD
oklch(55.6% 0.146 297.3)
-
Step 700
700
#6A4CA3
oklch(49.1% 0.136 297)
-
Step 800
800
#563F84
oklch(42.7% 0.112 296.8)
-
Step 900
900
#47366A
oklch(37.7% 0.088 297.1)
-
Step 950
950 (this color)
#150B27
oklch(18.2% 0.055 297)
#150B27 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #021128 | 0.038 |
| Deuteranopia (no green cones) | #031026 | 0.036 |
| Tritanopia (no blue cones) | #111117 | 0.044 |
| Achromatopsia (no color) | #111111 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #150B27
#150B27
oklch(18.2% 0.055 297)
- #111400
#111400
oklch(18.2% 0.042 116.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.054
- Rich Navy #001219 ΔE 0.057
- Midnight Purple #280137 ΔE 0.058
- Very Dark Purple #2A0134 ΔE 0.059
- Midnight #03012D ΔE 0.060
- Dark Navy #000435 ΔE 0.062
- Almost Black #070D0D ΔE 0.065
- Dark Navy Blue #00022E ΔE 0.065
Use #150B27 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.